CAPSULES: Infection by Insect

Most people associate viral hepatitis, a
debilitating and potentially fatal liver disease, with polluted water,
contaminated shellfish or unsterilized hypodermic needles. But there is
another way that the water-borne hepatitis viruses can find their way
into humans: by mosquito. Researchers from the New Jersey Medical
School and the Veterans Administration Hospital in East Orange, N.J.,
report in the A.M.A. Journal that they became suspicious after studying
an epidemic of hepatitis that hit New Jersey in 1955. None of the
victims was a drug addict, and none had eaten shellfish or come into
contact with known hepatitis carriers. But all had...